You are a participant in a quiz. The quizmaster shows you three closed doors. He tells you that behind one of these doors, there is a prize, and behind the other two doors, there is nothing. You select one of the doors, but before you open it, the quizmaster deliberately picks out a remaining empty door and shows that there is nothing behind it. The quizmaster offers you a chance to switch doors with the remaining closed door.

The question: Should you stick to your choice?

The answer: Click here!